Listed gear-ratio data for 2004 Yamaha 8 HP outboards. Match your exact model and lower unit; some models may have more than one gearcase configuration.
2004 Yamaha 8 HP
Listed ratio values: 2.08:1, 2.92:1
| Model | Gear ratio |
|---|---|
| 8MSHC | 2.08:1 |
| F8MLHC | 2.08:1 |
| F8MSHC | 2.08:1 |
| T8ELHC | 2.92:1 |
| T8EXHC | 2.92:1 |
| T8PLHC | 2.92:1 |
| T8PLRC | 2.92:1 |
| T8PXHC | 2.92:1 |
| T8PXRC | 2.92:1 |
Use the ratio that matches your exact outboard model and lower unit, then enter it in the PropSlip calculator.